@article{von mettenheim_2006,  title={Still the century of government savings banks? The Caixa Econômica Federal},  volume={26},  ISSN={0101-3157},  url={https://doi.org/10.1590/S0101-31572006000100003},  DOI={10.1590/S0101-31572006000100003},  number={1},  journal={Brazilian Journal of Political Economy},  publisher={Centro de Economia Política},  author={von Mettenheim, Kurt},  year={2006},  month={Jan},  pages={39–57} }